Parts
Machinery for sorting, screening, separating, washing, crushing, grinding, mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) form; machinery for agglomerating, shaping or moulding solid mineral fuels, ceramic paste, unhardened cements, plastering materials or other mineral products in powder or paste form; machines for forming foundry moulds of sand. > Parts
Duty Rate (from China)
Subheadings
Products classified under Tariff item 8474.90.00
Aggregate Washing Plant Pump Impellers
Abrasion-resistant impellers designed for slurry pumps used in aggregate washing plants. These parts are integral to the washing machinery that cleans earth, stone, or ores, ensuring efficient handling of sand, gravel, and water mixtures.
Autogenous Grinding Mill Shell Lifters
Shell lifter bars are high-strength steel castings installed inside autogenous (AG) and semi-autogenous (SAG) mills. They elevate the ore charge so that rocks cascade and grind copper or gold ores without additional media. As replacement parts for mineral grinding machinery, they are classified under tariff item 8474.90.00.
Ball Mill Liner Segments
High-chrome cast iron liner segments that line the interior of ball mills used for grinding mineral ores into fine powder. These sacrificial parts protect the mill shell and enhance grinding efficiency in mineral processing.
Classifying Cyclone Apex Insert
A tungsten carbide apex insert designed for classifying cyclones that separate fine mineral particles by size and weight. This wear part offers extreme abrasion resistance, making it essential for the efficient operation of mineral separating and washing machinery. It is classified under this tariff item as a part of machines for sorting, screening, separating or washing mineral substances.
Cone Crusher Mantle Bowls
Manganese steel bowl liners and mantles for cone crushers that provide secondary or tertiary crushing of mineral ores through compression. These precision-machined parts form the working surfaces of the crushing chamber.
Cone Crusher Mantle Liners
Cone crusher mantle liners are contoured wear parts made from chrome-moly alloys that protect the inner cone during ore and stone crushing. They provide the crushing surface in secondary and tertiary stages of mineral processing. As replacement parts for cone crushers, they are classified under tariff item 8474.90.00.
Crusher Main Shaft Assemblies
Crusher main shaft assemblies consist of forged alloy shafts with eccentric sleeves that transmit gyratory motion in cone and gyratory crushers. They are precision machined for bearing fits and are critical rotating parts in ore crushing operations. As parts of mineral crushing machinery, they are classified under tariff item 8474.90.00.
Density Separator Baffle Assembly
An adjustable baffle assembly for autogenous density separators that classify minerals by specific gravity in washing plants. This stainless steel component directs the flow of solid mineral slurries, ensuring precise separation. It is classified here as a part of machines for separating or washing mineral substances in solid form.
Dewatering Screen Panel for Sand Plant
Polyurethane dewatering screen panels with precise aperture sizes, designed for final moisture removal from washed sand. These modular panels feature an interlocking design for quick replacement on dewatering screens. They are classified under this item as parts of machines for screening and washing mineral substances.
Flotation Cell Impeller for Ore Washing
A rubber-lined impeller for froth flotation cells that agitates mineral pulp for selective separation in washing processes. This component is critical for air dispersion and particle suspension in ore processing. It is classified here as a part of machines for separating or washing mineral ores.
Flywheel for Cone Crusher Mainshaft
Flywheels for cone crusher mainshafts are heavy cast iron components that store rotational energy to smooth the crushing cycle. They are precision machined to fit the mainshaft and maintain momentum during ore processing. As replacement parts for cone crushers used in mineral crushing, they fall under tariff item 8474.90.00.
Grinding Mill Liner Plates
Grinding mill liner plates are rubber or steel plates that protect the shell of ball and rod mills while grinding ores to fine powder. They feature wave or ribbed patterns to enhance mineral cascading and reduce wear. As parts of mineral grinding machinery, they are classified under tariff item 8474.90.00.
Grinding Mill Trunnion Bearings
Large split spherical roller bearings that support the trunnion ends of SAG and ball mills for ore grinding. These precision parts enable rotation under heavy mineral loads and are essential for the mill's operation.
Grizzly Feeder Bar Replacement Set
Manganese steel grizzly bars for primary screening feeders that separate oversized rocks from mineral feed. These high-wear-resistance bars are essential for sorting and screening machinery in ore processing. They are classified under this tariff item as parts of machines for sorting or screening mineral substances.
Gyratory Crusher Concave Segments
Gyratory crusher concave segments line the fixed crushing chamber in gyratory crushers, grinding ores like copper or iron through compressive forces. They are made from abrasion-resistant alloys to withstand heavy wear. As parts of mineral crushing machinery, they are classified under tariff item 8474.90.00.
Gyratory Crusher Mantle and Concave
Matched mantle and concave ring liners for gyratory crushers that process hard rock ores in primary crushing stages. Made from hard-faced alloys, these parts create the crushing chamber and are essential for the crusher's function.
Hammermill Breaker Plates
Hammermill breaker plates are perforated plates that regulate particle size during grinding of ores, limestone, or biomass minerals. They are impact-resistant and feature precise hole patterns to control output. As parts of mineral grinding machinery, they are classified under tariff item 8474.90.00.
Hydrocyclone Liner for Mineral Separation
A wear-resistant polyurethane liner for hydrocyclones used in separating mineral slurries by density in washing machines. This liner protects the cyclone body from abrasive wear while maintaining separation efficiency. It is classified here as a dedicated part for separating and washing mineral substances in solid form.
Impact Crusher Blow Bars
Replaceable manganese steel blow bars mounted in impact crushers to shatter aggregates and ores through high-velocity impacts. These wear parts are critical for the crushing action on solid mineral substances.
Jaw Crusher Manganese Wear Plates
Jaw crusher manganese wear plates are high-manganese steel replacement parts that line the crushing chamber of jaw crushers. They withstand abrasive impacts from rocks and ores during mining and aggregate processing. As parts of mineral crushing machinery, they are classified under tariff item 8474.90.00.
Jaw Crusher Wear Plates
High-manganese steel plates designed to line the jaws of primary jaw crushers used in mining operations for crushing ore. These parts are essential for protecting the crusher frame from abrasive mineral wear during grinding.
Magnetic Separator Drum Assembly
A neodymium magnet drum assembly for removing ferrous contaminants from mineral ores in separating machines. This key separating component features adjustable magnetic strength for efficient mineral processing. It is classified under this tariff item as a part of machines for separating solid mineral substances.
Mineral Jig Diaphragm Assemblies
Rubber diaphragm and frame assemblies that pulse water through ore pulp in mineral jigs for gravity separation of heavy minerals from gangue. These parts are essential for the operation of separating machinery.
Mixing Kneader Blades
Sigma or Z-blade rotors for batch kneaders that mix ceramic pastes, cement, or mineral powders into homogeneous masses. These profiled steel parts perform the kneading action and are essential for the machinery's function.
Raymond Mill Grinding Rollers
Raymond mill grinding rollers are rotating components in pendulum mills that crush and grind coal, limestone, or phosphate rock against a bullring. They are hardfaced for mineral abrasion resistance and are essential to the grinding process. As parts of mineral grinding machinery, they are classified under tariff item 8474.90.00.
Rod Mill Shell Lifters
Profiled lifter bars bolted inside rod mill shells to lift grinding media and ore for cascading action during mineral grinding. These parts optimize charge motion in wet or dry mineral processing.
Sand Classifier Screw Conveyor
Helical screw conveyor blades and shafts for spiral classifiers that separate sand from fines in aggregate washing operations. These parts agitate and transport mineral slurries during classification.
Sand Mold Forming Rammer Heads
Interchangeable pneumatic rammer heads for compacting foundry sand into molds using machines for forming sand molds. Hardened steel or alloy construction withstands repetitive impacts.
Scalping Screen Support Spring Kit
A heavy-duty coil spring kit supporting scalping screens for primary ore size separation. These springs provide vibration isolation and high-cycle fatigue resistance in screening circuits. They are classified here as essential parts of machines for sorting and screening mineral substances.
Screw Classifier Tank Liners
Polyurethane or ceramic liners for rake or spiral classifier tanks that protect against abrasion during mineral classification and dewatering. These wear parts line the settling zones and are essential for the machinery's operation.
Sieve Basket for Sand Washing Machine
A stainless steel perforated sieve basket for rotary sand washing machines that separate fine particles from aggregate. This basket is designed for durability and precise particle separation in mineral washing. It is classified under this tariff item as a part of washing machines for mineral substances like sand and gravel.
Slurry Pump Wear Plate for Washing Circuit
A hardened alloy wear plate for slurry pumps in mineral washing thickener circuits. This plate resists abrasive particle erosion and is dedicated to washing machine systems for solid minerals. It is classified here as a part of machines for washing mineral substances.
Spiral Classifier Overflow Weir
An adjustable overflow weir plate for spiral classifiers that separate fine minerals from coarser particles in washing circuits. This polyurethane component controls the flow of slurry in mineral processing. It is classified under this tariff item as a part of mineral washing and separating equipment.
Toggle Plate for Jaw Crushers
Toggle plates for jaw crushers convert pitman motion to crushing force while protecting against tramp iron in ore feeds. They are made of manganese steel for impact absorption and are specific to jaw crusher operations. As parts of mineral crushing machinery, they are classified under tariff item 8474.90.00.
Trommel Screen Perforated Drum Section
A segmented steel perforated drum section for rotary trommel screens washing and sizing gravel aggregates. This bolted assembly is designed for field replacement and durability in mineral processing. It is classified here as a part of washing and screening machines processing mineral substances.
Vibrating Screen Deck for Ore Processing
A replacement vibrating screen deck used in mineral ore sorting machines to separate particles by size through vibration. This deck is specifically designed for sorting and screening machines in mineral processing. It is classified under this tariff item as a part of machines for sorting and screening mineral substances.
Vibrating Screen Deck Panels
Polyurethane or rubber screen panels fitted into vibrating screens for separating aggregates and ores by size in mineral processing plants. These replaceable parts endure high abrasion from solid mineral flows during screening.
Vibratory Separator Motor Mount Frame
A cast iron motor mounting frame for industrial vibratory separators used in mineral powder screening. This precision-machined structural part is designed for vibration isolation in screening machines. It is classified here as a structural part of screening machines for mineral powders.
VSI Crusher Wear Tips
Tungsten carbide tipped wear blocks for Vertical Shaft Impact crushers that shape and crush aggregates through rock-on-rock impact. High-wear parts for fine mineral processing.
Washing Screw Conveyor Flight Section
A helical flight section for log washers conveying and scrubbing mineral aggregates during washing. This abrasion-resistant steel component is essential for the washing process of stone and earth substances. It is classified under this tariff item as a part of washing machines processing mineral substances.